{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell type", "protein", "RNA"], "input": "Site-directed mutagenesis of the wild-type IL-2R alpha kappa B enhancer ( GGGGAATCTCCC ) has revealed that the binding of p50 and p55 ( B2 complex ) is particularly sensitive to alteration of the 5' triplet of deoxyguanosine residues ."}
{"DNA": ["wild-type IL-2R alpha kappa B enhancer", "5' triplet"], "cell type": [], "protein": ["p50", "p55", "B2 complex"], "RNA": []}